參數(shù)資料
型號: M30240S9-XXXFP
廠商: Mitsubishi Electric Corporation
英文描述: 16 Characters x 2 Lines, 5x7 Dot Matrix Character and Cursor
中文描述: 單片16位CMOS微機(jī)
文件頁數(shù): 96/142頁
文件大小: 1637K
代理商: M30240S9-XXXFP
1-96
Mitsubishi microcomputers
M30240 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Preliminary Specifications REV. E
Specifications in this manual are tentative and subject to change
UART0 through UART2
2.23.1.3 Transfer clock output from multiple pins function (UART1)
This function allows the setting two transfer clock output pins and choosing one of the two to output a clock
by using the CLK and CLKS select bit (bits 4 and 5 at address 03B0
16
). See Figure 1.86. The multiple pins
function is valid only when the internal clock is selected for UART1. Note that when this function is selected,
UART1 CTS/RTS function cannot be used.
Figure 1.86: The transfer clock output from the multiple pins function usage
2.23.1.4 Continuous receive mode
If the continuous receive mode enable bit (bits 2 and 3 at address 03B0
16
, bit 5 at address 037D
16
) is set to
“1”, the unit is placed in continuous receive mode. In this mode, when the receive buffer register is read out,
the unit simultaneously goes to a receive enable state without having to set dummy data to the transmit buffer
register back again.
2.23.1.5 Serial data logic switch function (UART2)
When the data logic select bit (bit6 at address 037D
16
) = “1”, and writing to transmit buffer register or reading
from receive buffer register, data is reversed. Figure 1.87 shows the example of serial data logic switch timing.
Figure 1.87: Serial data logic switch timing
Microcomputer
T
X
D
1
(P6
7
)
CLKS
1
(P6
4
)
CLK
1
(P6
5
)
IN
CLK
IN
CLK
Note: This applies when the internal clock is selected and transmission
is performed only in clock synchronous serial I/O mode.
D0
D1
D2
D3
D4
D5
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7
Transfer clock
TxD
2
(no reverse)
TxD
2
(reverse)
“H”
“L”
“H”
“L”
“H”
“L”
When LSB first
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